Massage device attachment



FIG. 1 is a top perspective view of a massage device attachment showing the claimed design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a left elevational view thereof;

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is a rear elevational view thereof.

The broken lines in the figures show portions of the massage device attachment that form no part of the claimed design. 

CLAIM The ornamental design for a massage device attachment, as shown and described. 